Lake Havasu City, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Lake Havasu City in?

Lake Havasu City is in Mohave County, EPA Zone 2.

Q: How much does radon mitigation cost in Lake Havasu City?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Mohave County

EPA Zone 2

Situated along the Colorado River in Mohave County, Lake Havasu City currently lacks comprehensive radon testing data across its 86403, 86404, and 86406 zip code areas. The desert community's geology features volcanic and sedimentary rocks that typically produce lower radon levels, though individual variations can occur. Given the area's mix of manufactured homes, concrete block construction, and slab-on-grade foundations, homeowners should consider testing to establish baseline readings.

Lake Havasu City, AZ Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Lake Havasu City, AZ Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Lake Havasu City Radon Facts

Key details about the radon risk profile for Lake Havasu City and the 86403 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Mohave County, AZ

Zip Code

86403

Predicted Screening Level

2–4 pCi/L (Zone 2)

Lake Havasu City and the 86403 zip code are located in Mohave County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Lake Havasu City, AZ

What EPA Radon Zone is Lake Havasu City in?

Lake Havasu City and the 86403 zip code are in Mohave County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Lake Havasu City?

Radon mitigation in Lake Havasu City typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Lake Havasu City?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Arizona

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Prescott	6.79 pCi/L	14
Scottsdale	7.75 pCi/L	12
Phoenix	5.40 pCi/L	10
Mesa	6.40 pCi/L	5
Flagstaff	6.00 pCi/L	5
Tucson	5.25 pCi/L	4
Payson	6.67 pCi/L	3
Glendale	6.50 pCi/L	2
Peoria	3.00 pCi/L	2
Prescott Valley	4.00 pCi/L	1
Gilbert	3.00 pCi/L	1
Tempe	3.00 pCi/L	1